反应详情

A solution of 2 (8.618 g, 42.0 mmol) and aniline (11.75 g, 126 mmol) in toluene (40 mL) was heated to 130° C. (1.5 h). The mixture was triturated with dichloromethane (200 mL) and filtered. Recrystallization from ethanol (220 mL) afforded the title compound 3 as white crystals.

1. customThe mixture was triturated with dichloromethane (200 mL)
2. filtrationfiltered
3. customRecrystallization from ethanol (220 mL)